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ACoMSC2 > Exam 2 SG > Flashcards

Exam 2 SG Flashcards

1
Q

ACL

function

A

prevent tibia from sliding too far forward

stability

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2
Q

PCL

function

A

prevent femur from sliding off the anterior edge of the tibia and prevent tibia from displacing posterior to the femur

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3
Q

MCL

function

A

resist outward turning forces on the knee

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4
Q

LCL

Function

A

avoid varus stress across the knee

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5
Q

open kinetic chain

movement

A

movement where the distal extremity is not fixed

knee extension

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6
Q

closed kinetic chain

movement

A

movement where the distal extremity is fixed

leg press

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7
Q

open pack position

flex or ext

A

25 flexion

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8
Q

closed pack position

flex or ext

A

full extension

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9
Q

screw home mechanism

A

stabilty
rotation between the tibia and femur
occurs at the end of extension, between full extension and 20 degrees of knee flexion

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10
Q

role of meniscus

A

disperse weight of the body and reduce friction during movment

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11
Q

anatomy of meniscus

A

two pads of fibrocartilaginous tissue

concave on the top and flat on the bottom

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12
Q

knee AROM

Flexion

A

135-145

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13
Q

knee AROM

Extension

A

0

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14
Q

knee flexion

end feel

A

soft

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15
Q

knee extension

end feel

A

firm

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16
Q

muscle in knee for flexion

A

hamstring

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17
Q

muscle in knee for extension

A

quadriceps

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18
Q

edema/effusion

special tests

A

sweep test
ballotable patella
bounce home test

19
Q

patella pathology

special test

A

clarke’s test
aprrehension test
patella alignment/tracking

20
Q

ligamentous

stress test

A 
anterior drawer
lachmans
posterior sag sign
90/90 godfrey's test
posterior drawer
valgus
varus
slocums
lelli test
21
Q

meniscus pathology

special tests

A

medial-lateral grind test
mcmurray’s
apley’s compression/distraction
thessaly test

22
Q

other pathologies

A 
nobles test
renne's test
hughstons pics test
q angle
girth
23
Q

muscles

hamstrings

A

biceps femoris
semitendinosus
semimembranosus

24
Q

muscles

quardriceps

A

vastus lateralis
vastus medialis
vastus intermedius
rectus femoris

25
Q

muscles

pes anserine

A

sartorius
gracillis
semitendinosus

26
Q

ACL sprain
MOI
Signs/Symptoms
evaluation

A

acute force causing anterior tibial translation, non-contact, stopping, pivoting, cutting
feel “pop”, effusion, unable to FWB, limited extension,
refer to physician

27
Q

MCL sprain
MOI
Signs/Symptoms
evaluation

A

acute valgus force, direct blow
delayed swelling, PT over length of MCL
no activity, refer to DR.

28
Q

LCL sprain
MOI
Signs/Symptoms
evaluation

A

acute varus force
diffuse swelling, PT over LCL, deformity, limited flex/ext,
refer to DR, rehab

29
Q

PCL sprain
MOI
Signs/Symptoms
evaluation

A

acute, landing on knee in flexed position
effusion, posterior sag present, tenderness in popliteal fossa, ROM normal
Rehab, refer to DR.

30
Q

meniscus injuries
MOI
Signs/Symptoms
evaluation

A

flexion of knee with rotation of tibia, pinching meniscus
locking or clicking, pain around joint line, knee giving away, swelling,
refer to DR.

31
Q

patellar dislocations
MOI
Signs/Symptoms
evaluation

A

contact or no contact,
diffuse swelling, most occur laterally,
refer to DR.,

32
Q

IT Band friction syndrome
MOI
Signs/Symptoms
evaluation

A

insidious, repetitive activities with flex/ext
PT lateral femoral condyle, ROM normal
treat symptoms, stretching IT band

33
Q

autograft

A

taken from patient

34
Q

allograft

A

graft taken from donor

35
Q

`anatomical structure of posterolateral corner

A

tibia, fibula, lateral femur, iliotibial band, long and short head of biceps femoris tendon, fibular collateral ligament, popliteus tendon, popliteofibular ligament, lateral gastrocnemius tendon, and fabellofibular ligament

36
Q

function of posterolateral corner

A

creates stability in knee

37
Q

what is Q angle

A

angle between quadriceps tendon and patellar tendon

38
Q

how to measure Q angle

A

ASIS to center of petella

39
Q

different things to inspect/observe during knee evaluation

A 
location
MOI
foot fixation
contact vs non-contact
internal/external torque
sounds/sensations
onset of injury
previous injury
kinetic chain
girth
40
Q

different things to inspect/observe during knee evaluation

A 
location
MOI
foot fixation
contact vs non-contact
internal/external torque
sounds/sensations
onset of injury
previous injury
kinetic chain
girth
41
Q

LE Myotome

A 
L1- hip flexion
L2- hip flexion
L3- knee extension
L4- DF, inverison
L5- great toe extension
S1- PF, eversion
S2- knee flexion
42
Q

LE DTR

A

L4- Petellar tendon reflex

S2- achilles tendon reflex

43
Q

LE Dermatomes

A

L1- proximal thigh
L2- mid thigh
L3- mid to distal thigh above knee
L4- medial lower leg, medial foot, 1st toe
L5- anterior lower leg, dorsal foot, 2-4 toes
S1- lateral and posterior lower leg, bottom of foot, 4-5 toes
S2- popliteal fossa and posterior thigh

ACoMSC2 (3 decks)

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